4 Ecology ARTICLE Questions

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  1. What evidence is there that sea otters are a keystone species?
  2. Explain how the killer whale-sea otter-urchin food web is an example of top-down control.
  3. Explain the difference between Figure 2a and 2b from Estes and Palmisano (1974).
  4. What are the benefits of large-scale/long-term approaches in ecological research?